121021110200102 has 64 divisors (see below), whose sum is σ = 215475192576000. Its totient is φ = 49877967404160.

The previous prime is 121021110200099. The next prime is 121021110200153. The reversal of 121021110200102 is 201002011120121.

It is a super-2 number, since 2×121021110200102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370954649 + ... + 371280747.

It is an arithmetic number, because the mean of its divisors is an integer number (3366799884000).

Almost surely, 2^{121021110200102} is an apocalyptic number.

121021110200102 is a deficient number, since it is larger than the sum of its proper divisors (94454082375898).

121021110200102 is a wasteful number, since it uses less digits than its factorization.

121021110200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329781.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121021110200102 its reverse (201002011120121), we get a palindrome (322023121320223).

The spelling of 121021110200102 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred ten million, two hundred thousand, one hundred two".